Granted Patent
Utility
US 6,194,512 · App. 09/340,792
Phenol/formaldehyde and polyacrylic acid co-binder and low emissions process for making the same
Inventors:
Liang Chen, Richard Wolever
Patented Case
View Patent ↗
Granted: Feb 27, 2001
Filed: Jun 28, 1999
Inventors
Liang Chen
Richard Wolever
Assignee (at issue)
Owens-Corning Fiberglas Technology, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.